The PLN048-ED21A12S from Bourns is a Planar Transformer that is ideal for PoE, industrial power systems, switched-mode power supplies (SMPS), LED lighting, and battery management system applications. It has a primary voltage of 33–57 V and a secondary voltage of 12 V. The transformer delivers an output power of 48–70 W. It uses a forward converter topology and offers low leakage inductance. This RoHS-compliant transformer is available in a surface-mount package that measures 22.7 x 26 x 9.8 mm.
